L-theanine is trending for sleep in 2026 and two major research reviews finally back it up: What to know ...

Here's what new 2025 research actually says about taking L-theanine for improved sleep quality at night.

In the new study, researchers demonstrated that the human brain falls asleep abruptly, rather than gradually, with a "tipping point" marking the transition from wakefulness into sleep. They were then ...

Insufficient sleep is one of the strongest predictors of shorter life expectancy in the U.S., surpassed only by smoking. That's according to a new nationwide analysis published in the journal SLEEP ...

Middle-aged adults and seniors would age more gracefully -- and save a few bucks -- if they lay off prescription sleep medications, a new study says. Avoiding sleep drugs would reduce older Americans' ...

Obstructive sleep apnea and atrial fibrillation (AFib) are two conditions that share a potentially deadly link. Having one increases the odds of developing the other, and together, the breathing ...

NEW ORLEANS — Prolonged use of melatonin for the treatment of insomnia was associated with an increased risk for heart failure, hospitalization, and/or all-cause mortality, an observational study ...

Dec. 1 (UPI) --A new study by the American Academy of Pediatrics finds preteens who own smartphones and use them regularly are at greater risk of depression, obesity and insufficient sleep. The ...

You finally got to bed at a decent hour. The kids slept through the night. You got close to eight hours. And you still feel ...